Features we love Energy-monitoring functionQuick to install easy to useUp to 10 different heating periods a day2.4” full colour screenProportional Adaptive Function – reduces energy wastageOptimised pre-set heating programs3 Year WarrantyCompatible with all Warmup Underfloor Heating SystemsRange of colour finishes All about meThe 3iE™ Energy-Monitoring Programmable Thermostat helps maximise on the energy-efficiency of underfloor heating systems.The Warmup 3iE Programmable Thermostat provides accurate control of an underfloor heating system. It allows up to 10 different heating periods per day and its 2.4 inch full-colour touchscreen makes setting your heat schedule hassle-free and intuitive.It features a graphical energy monitor display that shows the user exactly how much energy is being used and utilises a one-button over-ride function. The 3Ie is quick to install and is available in a wide range of colour finishes; making finding the perfect controller for a specific interior design theme easy. View User Manual » . View Tech Sheet ». .